a device or tactic, as the use of chaff or decoys or the maintaining of a low flight level, that helps an aircraft or missile to enter hostile air space.
[pen-i-trey-tiv] /ˈpɛn ɪˌtreɪ tɪv/ adjective 1. tending to ; piercing. 2. acute; keen.
[pen-i-treyt] /ˈpɛn ɪˌtreɪt/ verb (used with object), penetrated, penetrating. 1. to pierce or pass into or through: The bullet penetrated the wall. The fog lights penetrated the mist. 2. to enter the interior of: to penetrate a forest. 3. to enter and diffuse itself through; permeate. 4. to arrive at the truth or meaning of; […]
[pen-i-trom-i-ter] /ˌpɛn ɪˈtrɒm ɪ tər/ noun 1. a device for measuring the power of x-ray or other radiations. 2. a device for measuring the penetrability of a solid. /ˌpɛnɪˈtrɒmɪtə/ noun 1. (physics) an instrument used to measure the penetrating power of radiation, such as X-rays penetrometer pen·e·trom·e·ter (pěn’ĭ-trŏm’ĭ-tər) or pen·e·tram·e·ter (-trām’ĭ-tər) n. penetrometer (pěn’ĭ-trŏm’ĭ-tər) also […]
[puh-nee-uh s] /pəˈni əs/ noun 1. ancient name of . /pɪˈniːəs/ noun 1. the ancient name for the Salambria